deal with a memory leak

Author: withinboredom

Zend/zend_namespaces.c

@@ -51,6 +51,13 @@ static zend_class_entry *insert_namespace(const zend_string *name) {
             ns = create_namespace(interned_name);
             ns->lexical_scope = parent_ns;
             zend_hash_add_ptr(EG(namespaces), interned_name, ns);
+
+            /* sometimes, opcache refuses to intern the string */
+            if (interned_name == needle) {
+               zend_string_release(interned_name);
+            }
+         } else {
+            zend_string_release(needle);
          }
 
          parent_ns = ns;